Closed November 2nd. So should be all entries after that be invalid as winners supposedly should of already been placed now being almost a week later.

The issue is this:

GMJadynn wrote:

Event 3: Collect orange pumpkin helmets

Server: all the servers

Event period: 10/26 - 11/2

Details: Collect orange pumpkin helmets, as many as possible within seven days, when the event ends, you can upload a screenshot to the forum showing how many pumpkin helmets you have, we will send awards to the top 3 players and 3 random players(from all the players who upload screenshots).

This implies that the screenshots were to be posted after the event ended.
However, the main issue is still when in the world they are going to actually determine the winners?